package pack0621;

public class DemoB {
    public static void main(String[] args) {
        int[][] a = new int[4][];
        for (int i = 1; i < a.length; i++) {
            a[i] = new int[i + 3];
            for (int j = 0; j < a[i].length; j++) {
                a[i][j] = i + j;
            }
        }
        for (int i = 1; i < a.length; i++) {
            for (int j=1;j<a[i].length;j++) {
                System.out.print(a[i][j]+" ");
            }
            System.out.println();
        }
    }
}